found: Workshop on the Dynamics of Macrosystems (1984 : International Institute for Applied Systems Analysis). Dynamics of macrosystems, c1985:CIP t.p. (K. Sigmund) data sheet (Prof. Dr. Karl Sigmund; b. 7-26-45) galley (IIASA and Institute for Math., Univ. of Vienna, Vienna, Austria)
found: LC data base, 9-4-85(hdg.: Sigmund, Karl, 1945- ; usage: Karl Sigmund)
found: Sie nannten sich Der Wiener Kreis, 2015:title page (Karl Sigmund)
found: The waltz of reason, 2023:CIP title page (Karl Sigmund) galley (professor emeritus of mathematics at the University of Vienna; pioneer of evolutionary game theory; lives in Vienna, Austria)
